New study explores concerns about the potential for lower levels of wind power output on cold days when energy demand is at its highest
22MW battery system will store power from the 76-turbine Pen y Cymoedd wind farm in Wales to help stabilise the grid
Germany's first onshore wind auction since introducing renewable feed-on tariff law reaches average of 5.71 Euro cents per KWh
Vattenfall's Pen y Cymoedd Wind Energy Project promises to deliver enough power for 13 per cent of Welsh households
Major utility says next government must continue to back low-carbon transition and urges action to allow onshore wind to play a "major role" in UK energy